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Total Impedance, Voltage drop

0 votes

asked Dec 8, 2015 in ELECTRICAL ENGINEERING by anonymous

2 Answers

0 votes

(a)

Step 1:

Observe the circuit:

The input sine voltage is image.

Compare the function with image.

Here image, image and image.

Find the toatal impedance.

imageimage are in parallel.

image

image

image

image

image

image

image.

Step 2:

image and image are in series.

The total impedance is image.

image

image

image

image

image

image

image

image.

image can be written in polar form as image.

The total impedance is image.

Solution:

The total impedance is image.

answered Dec 8, 2015 by Sammi Mentor
0 votes

(b)

Observe the circuit:

The input sine voltage is .

Compare the function with .

in polar form can be written as .

.

The sine voltage can be written as .

can be written in complex form is .

From (a):

The total impedance is image.

Find the total current.

The total current is .

image.

Find voltage across .

Fom (a): .

image

image

A parallel network has same voltage across each element.

image

image can be written in polar form as image.

answered Dec 8, 2015 by Sammi Mentor

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